<script setup>
  import { ref, watch, onMounted } from 'vue'
  import { queryEmpApi, addEmpApi, queryEmpByIdApi, updateEmpApi, deleteEmpByIdApi } from '@/api/emp'
  import { queryAllApi as queryDeptApi } from '../../api/dept';
  import { ElMessage, ElMessageBox } from 'element-plus';
  
  const searchEmp = ref({
    name: '',
    gender: '',
    begin: '',
    end: '',
    date: []
  })

  const empList = ref([])
  const search = async () => {
    const res = await queryEmpApi(searchEmp.value.name,
                            searchEmp.value.gender,
                            searchEmp.value.begin,
                            searchEmp.value.end,
                            currentPage.value,
                            pageSize.value)
    if (res.code){
      empList.value = res.data.rows
      total.value = res.data.total
    }
  }
  const clear = () => {
    searchEmp.value = {
      name: '',
      gender: '',
      date: [],
      begin: '',
      end: '',
    }
    search()
  }

  onMounted(() => {
    search()
    queryDept()
    getToken()
  })

  watch(()=>searchEmp.value.date, () => {
    if (searchEmp.value.date && searchEmp.value.date.length>0){
      searchEmp.value.begin = searchEmp.value.date[0]
      searchEmp.value.end = searchEmp.value.date[1]
    }else{
      searchEmp.value.begin = ''
      searchEmp.value.end = ''
    }
  })

  const currentPage = ref(1)
  const pageSize = ref(10)
  const total = ref(0)
  const handleSizeChange = (val) => {
    search()
  }
  const handleCurrentChange = (val) => {
    search()
  }
  const add = () => {

    employee.value = {
      username: '',
      name: '',
      gender: '',
      phone: '',
      job: '',
      salary: '',
      deptId: '',
      entryDate: '',
      image: '',
      exprList: []
    }
    dialogVisible.value = true
    dialogTitle.value = '新增员工'
    if (empFormRef.value){
      empFormRef.value.resetFields()
    }
  }

  const edit = async (id) => {
    dialogVisible.value = true
    dialogTitle.value = '编辑员工'
    const res = await queryEmpByIdApi(id)
    if (res.code){
      employee.value = res.data
      if (employee.value.exprList && employee.value.exprList.length > 0){
        employee.value.exprList.forEach(expr=>{
          if (expr.begin && expr.end){
            expr.exprDate = [expr.begin,expr.end]
          }
        })
      }
    }else{
      ElMessage.error('查询员工信息失败')
    }
  }

  const del = (id) => {
    ElMessageBox.confirm(
    '确定要删除此数据吗?',
    '提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  ).then(async () => {
      const res = await deleteEmpByIdApi(id)
      if (res.code){
        ElMessage.success('删除成功')
        search()
      }else{
        ElMessage.error(res.msg)
      }
    }).catch(() => {
      ElMessage.info('取消操作')
    })
  }

  const selectIds = ref([])
  const handleSelectionChange = (selection) => {
    selectIds.value = selection.map(item => item.id)
  }

  const delByIds = () => {
    ElMessageBox.confirm(
    '确定要删除此数据吗?',
    '提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  ).then(async () => {
      const res = await deleteEmpByIdApi(selectIds.value)
      if (res.code){
        ElMessage.success('删除成功')
        search()
      }else{
        ElMessage.error(res.msg)
      }
    }).catch(() => {
      ElMessage.info('取消操作')
    })
  }

  const employee = ref({
    username: '',
    name: '',
    gender: '',
    phone: '',
    job: '',
    salary: '',
    deptId: '',
    entryDate: '',
    image: '',
    exprList: []
  })

  // 控制弹窗
  const dialogVisible = ref(false)
  const dialogTitle = ref('')

  //文件上传
  // 图片上传成功后触发
  const handleAvatarSuccess = (response) => {
    employee.value.image = response.data;
  }
  // 文件上传之前触发
  const beforeAvatarUpload = (rawFile) => {
    if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
      ElMessage.error('只支持上传图片')
      return false
    } else if (rawFile.size / 1024 / 1024 > 10) {
      ElMessage.error('只能上传10M以内图片')
      return false
    }
    return true
  }

  //定义基础数据
  //职位列表数据
  const jobs = ref([{ name: '班主任', value: 1 },{ name: '讲师', value: 2 },{ name: '学工主管', value: 3 },{ name: '教研主管', value: 4 },{ name: '咨询师', value: 5 },{ name: '其他', value: 6 }])
  //性别列表数据
  const genders = ref([{ name: '男', value: 1 }, { name: '女', value: 2 }]);
  //部门列表数据
  const depts = ref([]);

  const queryDept = async () => {
    const res = await queryDeptApi()
    if (res.code){
      depts.value = res.data
    }
  }

  const addExpr = () => {
    employee.value.exprList.push({company:'',job:'',begin:'',end:'',exprDate:[]})
  }
  const delExpr = (index) => {
    employee.value.exprList.splice(index,1)
  }

  watch(()=>employee.value.exprList, (newVal,oldVal) => {
      if (newVal && newVal.length > 0){
        newVal.forEach(expr=>{
          if (expr.exprDate && expr.exprDate.length > 0){
            expr.begin = expr.exprDate[0]
            expr.end = expr.exprDate[1]
          }else{
            expr.begin = ''
            expr.end = ''
          }
        })
      }
      },{deep:true}
  )
  const save = async () => {
    if (!empFormRef) return
    await empFormRef.value.validate (async(valid,fields)=>{
    if (valid){
      let res
      if (employee.value.id){
        res = await updateEmpApi(employee.value)
      }else{
        res = await addEmpApi(employee.value)
      }
      if (res.code){
        ElMessage.success('保存成功')
        dialogVisible.value = false
        search()
      }else{
        ElMessage.error('保存失败')
      }
    }else{
      ElMessage.error('校验失败')
    }
    })
  }

  const rules = ref({
    username: [
      { required: true, message: '请输入用户名', trigger: 'blur' },
      { min: 2, max: 20, message: '用户名长度应在2到20个字符之间', trigger: 'blur' }
    ],
    name: [
      { required: true, message: '请输入姓名', trigger: 'blur' },
      { min: 2, max: 10, message: '姓名长度应在2到10个字符之间', trigger: 'blur' }
    ],
    gender: [
      { required: true, message: '请选择性别', trigger: 'change' }
    ],
    phone: [
      { required: true, message: '请输入手机号', trigger: 'blur' },
      { pattern: /^1[3-9]\d{9}$/, message: '请输入有效的手机号', trigger: 'blur' }
    ]
  })

  const empFormRef = ref() 

  const token = ref('')
  const getToken = () => {
    const userInfo = localStorage.getItem('userInfo')
    if (userInfo){
      token.value = JSON.parse(userInfo).token
    }
  }
</script>

<template>
  <h1>员工管理</h1>
  <!-- {{ searchEmp }} -->
  <!-- 表单 -->
  <el-form :inline="true" :model="searchEmp" class="emp-search" >
    <el-form-item label="姓名">
      <el-input v-model="searchEmp.name" placeholder="请输入姓名" clearable />
    </el-form-item>
    <el-form-item label="性别">
      <el-select v-model="searchEmp.gender" placeholder="请选择" clearable >
        <el-option label="男" value="1" />
        <el-option label="女" value="2" />
      </el-select>
    </el-form-item>
    <el-form-item label="入职日期">
      <div class="block">
      <el-date-picker
        v-model="searchEmp.date"
        type="daterange"
        range-separator="到"
        start-placeholder="开始日期"
        end-placeholder="结束日期"
        value-format="YYYY-MM-DD"
      />
    </div>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="search">查询</el-button>
      <el-button type="info" @click="clear">清空</el-button>
    </el-form-item>
  </el-form>

  <!-- 增删操作按钮 -->
  <div class="button-group">
    <el-button type="primary" @click="add">+ 新增员工</el-button>
    <el-button type="danger" @click="delByIds">- 批量删除</el-button>
  </div>

  <!-- 表格 -->
  
  <el-table :data="empList" @selection-change="handleSelectionChange" border style="width: 100%;">
    <el-table-column type="selection" width="100" align="center"/>
    <el-table-column prop="name" label="姓名" width="100" align="center"/>
    <el-table-column prop="gender" label="性别" width="100" align="center">
      <template #default="scope">
        {{ scope.row.gender===1?'男':'女' }}
      </template>
    </el-table-column>
    <el-table-column prop="image" label="头像" width="100" align="center">
      <template #default="scope">
        <img :src="scope.row.image" width="40">
      </template>
    </el-table-column>
    <el-table-column prop="deptName" label="所属部门" width="100" align="center"/>
    <el-table-column prop="job" label="职位" width="100" align="center">
      <template #default="scope">
        <span v-if="scope.row.job==1">班主任</span>
        <span v-else-if="scope.row.job==2">讲师</span>
        <span v-else-if="scope.row.job==3">学工主管</span>
        <span v-else-if="scope.row.job==4">教研主管</span>
        <span v-else-if="scope.row.job==5">咨询师</span>
        <span v-else>其他</span>
      </template>
    </el-table-column>
    <el-table-column prop="entryDate" label="入职日期" width="150" align="center"/>
    <el-table-column prop="updateTime" label="最后操作时间" width="200" align="center"/>
    <el-table-column fixed="right" label="操作" align="center">
      <template #default="scope">
        <el-button size="small" @click="edit(scope.row.id)">编辑</el-button>
        <el-button size="small" type="danger" @click="del(scope.row.id)">删除</el-button>
      </template>
    </el-table-column>
  </el-table>

  <!-- 分页条 -->
  <div class="pagination-block">
    <el-pagination
      v-model:current-page="currentPage"
      v-model:page-size="pageSize"
      :page-sizes="[10, 20, 30, 40]"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>

  <!-- 新增/修改员工的对话框 -->
  <el-dialog v-model="dialogVisible" :title="dialogTitle">
      <el-form :model="employee" :rules="rules" ref="empFormRef" label-width="80px">
        <!-- {{ employee }} -->
        <!-- 基本信息 -->
        <!-- 第一行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="用户名" prop="username">
              <el-input v-model="employee.username" placeholder="请输入员工用户名，2-20个字"></el-input>
            </el-form-item>
          </el-col>
          
          <el-col :span="12">
            <el-form-item label="姓名" prop="name">
              <el-input v-model="employee.name" placeholder="请输入员工姓名，2-10个字"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第二行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="性别" prop="gender">
              <el-select v-model="employee.gender" placeholder="请选择性别" style="width: 100%;">
                <el-option v-for="gender in genders" :label="gender.name" :value="gender.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="手机号" prop="phone">
              <el-input v-model="employee.phone" placeholder="请输入员工手机号"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第三行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="职位">
              <el-select v-model="employee.job" placeholder="请选择职位" style="width: 100%;">
                <el-option v-for="job in jobs" :label="job.name" :value="job.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="薪资">
              <el-input v-model="employee.salary" placeholder="请输入员工薪资"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第四行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="所属部门">
              <el-select v-model="employee.deptId" placeholder="请选择部门" style="width: 100%;">
                <el-option v-for="dept in depts" :label="dept.name" :value="dept.id"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="入职日期">
              <el-date-picker v-model="employee.entryDate" type="date" style="width: 100%;" placeholder="选择日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD"></el-date-picker>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第五行 -->
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item label="头像">
              <el-upload
                class="avatar-uploader"
                action="/api/upload"
                :headers="{'token':token}"
                :show-file-list="false"
                :on-success="handleAvatarSuccess"
                :before-upload="beforeAvatarUpload"
                >
                <img v-if="employee.image" :src="employee.image" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </el-upload>
            </el-form-item>
          </el-col>
        </el-row>
        

        <!-- 工作经历 -->
        <!-- 第六行 -->
        <el-row :gutter="10">
          <el-col :span="24">
            <el-form-item label="工作经历">
              <el-button type="success" size="small" @click="addExpr">+ 添加工作经历</el-button>
            </el-form-item>
          </el-col>
        </el-row>
        
        <!-- 第七行 ...  工作经历 -->
         <!-- {{ employee.exprList }} -->
        <el-row :gutter="3" v-for="(expr, index) in employee.exprList">
          <el-col :span="10">
            <el-form-item size="small" label="时间" label-width="80px">
              <el-date-picker v-model="expr.exprDate" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD" ></el-date-picker>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="公司" label-width="60px">
              <el-input v-model="expr.company" placeholder="请输入公司名称"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="职位" label-width="60px">
              <el-input v-model="expr.job" placeholder="请输入职位"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="2">
            <el-form-item size="small" label-width="0px">
              <el-button type="danger" @click="delExpr(index)">- 删除</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      
      <!-- 底部按钮 -->
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="save">保存</el-button>
        </span>
      </template>
  </el-dialog>
</template>

<style scoped>
  .emp-search {
    margin: 20px 0;
  }
  .button-group {
    margin-bottom: 10px;
  }
  .pagination-block {
    margin: 20px 0;
  }
  .avatar {
  height: 40px;
}
.avatar-uploader .avatar {
  width: 78px;
  height: 78px;
  display: block;
}
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 78px;
  height: 78px;
  text-align: center;
  border-radius: 10px;
  /* 添加灰色的虚线边框 */
  border: 1px dashed var(--el-border-color);
}
</style>